Smallest odd prime p such that (n+1)^p - n^p is prime.

Terms

a(0) =3a(1) =3a(2) =3a(3) =3a(4) =5a(5) =3a(6) =7a(7) =7a(8) =3a(9) =3a(10) =3a(11) =17a(12) =3a(13) =3a(14) =43a(15) =5a(16) =3a(17) =1607a(18) =5a(19) =19a(20) =127a(21) =229a(22) =3a(23) =3a(24) =3a(25) =13a(26) =3a(27) =3a(28) =149a(29) =3